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Total 64 questions

Total 64 questions

A discrete random variable can only take the values 2,3,4 or 5. The probabilities associated with some of the outcomes are: P(X=2) = 0.2, P(X=3) = 0.3, P(X=5) = 0.1.

For a randomly drawn value of X, calculate P(X>3).

Answer : **C**

One of the two solutions to the equation is .

Determine the second solution.

Answer : **C**

The particular solution of the second-order difference equation

yn+2 - 6yn+1 + 8yn = 0 n 2

subject to the initial conditions y0 = 3 and y1 = 2may be written in the form

yn = A(2n) + B(4n) n 0.

Determine the values of (A, B).

Answer : **D**

Determine the coefficient of x3in the binomial expansion of (2 + x)5.

Answer : **B**

Three light bulbs are chosen at random from 15 bulbs of which 5 are known to be defective.

Calculate the probability that exactly one of the three is defective.

Answer : **C**

Page: 1
/ 14

Total 64 questions

Total 64 questions